Fixed typo (#6717)

In comments, replaced `...using using...` with just `...using...`
flutter · Nov 1, 2018 · c57d29a · c57d29a
1 parent f3fcb8f
commit c57d29a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/examples/hello_flutter/lib/main.dart b/examples/hello_flutter/lib/main.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// This example shows how to show the text 'Hello, world.' using using the raw
+// This example shows how to show the text 'Hello, world.' using the raw
 // interface to the engine.
 
 import 'dart:ui' as ui;